Halophenoxy benzoic acid herbicides

ABSTRACT

2-Nitro-5-(halophenoxy)benzoic acids and esters, salts, amides, and acyl halides thereof comprise a class of compounds that are highly effective pre- and post-emergence herbicides.



2. The method of claim 1, wherein R is methoxy, n is 3, and X is chlorine in the 2'',4'',6''-positions.
 3. The method of claim 1, wherein R is hydroxyl, n is 3, and X is chlorine in the 2'',4'',6''-positions.
 4. The method of claim 1, wherein R is methoxy n is 2, and X is chlorine in the 2'',4''-positions.
 5. The method of claim 1, wherein R iS methoxy, n is 3, and X is chlorine in the 2'',4'',5''-positions.
 6. An herbicidal composition comprising a carrier for an herbicide and an herbicidal amount of a compound having the formula:
 7. The composition of claim 6, wherein R is methoxy, n is 3, and X is chlorine in the 2'' , 4'' 6'' positions.
 8. The composition of claim 6, wherein R is hydroxyl, n is 3, and X is chlorine in the 2'',4'',6''-positions.
 9. The composition of claim 6, wherein R is methoxy, n is 2, and X is chlorine in the 2'',4''-positions.
 10. The composition of claim 6, wherein R is methoxy, n is 3, and X is chlorine in the 2'',4'',5''-positions. 